18,000 BTU/1.5 TON
18,000 BTU 230V Ductless Mini Split AC Wall Mounted MIA Series Heat PumpFree Shipping$1,116.48 /Voltage: 230V SEER: 19.2 Type: Wall Mount Freon: R454B 90 in stockSave 15% 
2 Zone 18,000 BTU OLIVIA Ductless Mini Split AC Wall Mounted 6k+12kFree ShippingVoltage: 230V SEER: 22.9 Type: Wall Mount Freon: R410A $2,404.00$2,043.40 /138 in stock-
18,000 BTU 230V Ductless Mini Split AC Ceiling Cassette Heat PumpFree ShippingFrom $2,165.76 /Voltage: 230V SEER: 20.7 Type: Ceiling Cassette Freon: R454B 99 in stock Save 15%
2 Zone 18,000 BTU OLIVIA Ductless Mini Split AC Wall Mounted 9k+12kFree ShippingVoltage: 230V SEER: 22.9 Type: Wall Mount Freon: R410A $2,405.00$2,044.25 /145 in stockSave 15%
2 Zone 18,000 BTU OLIVIA Ductless Mini Split AC Wall Mounted 9k+9kFree ShippingVoltage: 230V SEER: 22.9 Type: Wall Mount Freon: R410A $2,365.00$2,010.25 /153 in stockSave 15%
2 Zone 18,000 BTU OLIVIA Ductless Mini Split AC Wall Mounted 12k+12kFree ShippingVoltage: 230V SEER: 22.9 Type: Wall Mount Freon: R410A $2,445.00$2,078.25 /212 in stockSave 15%
2 Zone 18,000 BTU OLIVIA Ductless Mini Split AC Wall Mounted 6k+6kFree ShippingVoltage: 230V SEER: 22.9 Type: Wall Mount Freon: R410A $2,362.00$2,007.70 /103 in stock-
18,000 BTU 230V Ducted Mini Split AC Concealed Duct Heat PumpFree ShippingFrom $2,155.68 /Voltage: 230V SEER: 20.8 Type: Concealed Duct Freon: R454B 198 in stock Save 15%
2 Zone 18,000 BTU OLIVIA Ductless Mini Split AC Wall Mounted 6k+9kFree ShippingVoltage: 230V SEER: 22.9 Type: Wall Mount Freon: R410A $2,364.00$2,009.40 /106 in stock-
2 Zone 18,000 BTU OLIVIA Ductless Mini Split AC Ceiling Cassette 9k+9kFree Shipping$3,455.00 /Voltage: 230V SEER: 22.9 Type: Ceiling Cassette Freon: R454B 196 in stock -
2 Zone 18,000 BTU OLIVIA Ductless Mini Split AC Ceiling Cassette 12k+12kFree Shipping$3,551.00 /Voltage: 230V SEER: 22.9 Type: Ceiling Cassette Freon: R454B 197 in stock -
18,000 BTU 230V Ductless Mini Split AC Wall Mounted Olivia Midnight Edition Heat PumpFree ShippingFrom $1,561.00 /Voltage: 230V SEER: 24.0 Type: Wall Mount Freon: R454B 198 in stock -
2 Zone 18,000 BTU OLIVIA Ductless Mini Split AC Ceiling Cassette 9k+12kFree Shipping$3,515.00 /Voltage: 230V SEER: 22.9 Type: Ceiling Cassette Freon: R454B 197 in stock Save 7% 
18000 BTU 230V Mini Split AC Wall Mounted Bravo Series Heat PumpFree ShippingVoltage: 230V SEER: 18.0 Type: Wall Mount Freon: R32 $798.00$742.14 /175 in stock-
2 Zone 18,000 BTU OLIVIA Ductless Mini Split AC MIni Floor Consoles 12k+12kFree Shipping$3,324.96 /Voltage: 230V SEER: 22.9 Type: Mini Floor Consoles Freon: R454B 198 in stock -
2 Zone 18,000 BTU OLIVIA Midnight Ductless Mini Split AC Wall Mounted 9k+9kFree Shipping$2,430.54 /Voltage: 230V SEER: 25.1 Type: Wall Mount Freon: R454B 193 in stock -
16,000 BTU 230V Ductless Mini Split AC Mini Floor Console Heat PumpFree ShippingFrom $2,063.52 /Voltage: 230V SEER: 22.4 Type: Mini Floor Console Freon: R454B 201 in stock -
18,000 BTU 230V Ducted Mini Split AC Multi Positional Heat PumpFree ShippingFrom $2,792.16 /Voltage: 230V SEER: 21.6 Type: Multi Positional Freon: R454B 198 in stock Save 15%
2 Zone 18,000 BTU OLMO Sierra Ductless Mini Split AC Wall Mounted 9k+12kFree ShippingVoltage: 230V SEER: 21.0 Type: Wall Mount Freon: R410A $1,752.00$1,489.20 /176 in stock-
2 Zone 18,000 BTU Ducted Mini Split AC Concealed Duct 12k+12kFree ShippingFrom $3,135.00 /Voltage: 230V SEER: 19.0 Type: Concealed Duct Freon: R454B 16 in stock -
2 Zone 18,000 BTU OLIVIA Midnight Ductless Mini Split AC Wall Mounted 12k+12kFree Shipping$2,441.00 /Voltage: 230V SEER: 22.9 Type: Wall Mount Freon: R454B 198 in stock -
2 Zone 18,000 BTU OLIVIA Midnight Ductless Mini Split AC Wall Mounted 9k+12kFree Shipping$2,436.00 /Voltage: 230V SEER: 22.9 Type: Wall Mount Freon: R454B 198 in stock -
18,000 BTU 230V Ductless Mini Split 1 Way Ceiling Cassette Olivia Series Heat PumpFree ShippingFrom $2,776.14 /Voltage: 230V SEER: 21.8 Type: 1 Way Ceiling Cassette Freon: R454B 200 in stock Save 15%
2 Zone 18,000 BTU OLMO Sierra Ductless Mini Split AC Wall Mounted 12k+12kFree ShippingVoltage: 230V SEER: 21.0 Type: Wall Mount Freon: R410A $1,758.00$1,494.30 /179 in stock-
18,000 BTU 230V Ductless Mini Split AC Universal Floor/Ceiling Console Heat PumpFree ShippingFrom $2,208.96 /Voltage: 230V SEER: 23.3 Type: Universal Floor/Ceiling Freon: R454B 201 in stock Save 15%
2 Zone 18,000 BTU OLMO Sierra Ductless Mini Split AC Wall Mounted 9k+9kFree ShippingVoltage: 230V SEER: 21.0 Type: Wall Mount Freon: R410A $1,746.00$1,484.10 /180 in stockSold out
2 Zone 18,000 BTU OLIVIA Midnight Ductless Mini Split AC Wall Mounted 6k+9kFree Shipping$2,069.00 /Voltage: 230V SEER: 22.9 Type: Wall Mount Freon: R410A -
2 Zone 18,000 BTU Ducted Mini Split AC Concealed Duct 9k+12kFree Shipping$3,403.00 /Voltage: 230V SEER: 19.0 Type: Concealed Duct Freon: R454B 17 in stock -
2 Zone 18,000 BTU Ducted Mini Split AC Concealed Duct 9k+9kFree Shipping$2,457.00 /Voltage: 230V SEER: 19.0 Type: Concealed Duct Freon: R454B 35 in stock -
2 zone 18,000 BTU BRAVO Non-Ducted Mini Split AC Universal Floor & Ceiling Counsel 12k+12KFree Shipping$2,519.00 /Voltage: 230V SEER: 22.0 Type: Universal Floor/Ceiling Freon: R32 100 in stock -
2 zone 18,000 BTU BRAVO Non-Ducted Mini Split AC Universal Floor & Ceiling Counsel 9k+12KFree Shipping$2,498.00 /
Voltage: 230V SEER: 22.0 Type: Universal Floor/Ceiling Freon: R32 100 in stock -
2 zone 18,000 BTU BRAVO Non-Ducted Mini Split AC Universal Floor & Ceiling Counsel 9k+9KFree Shipping$2,478.00 /
Voltage: 230V SEER: 22.0 Type: Universal Floor/Ceiling Freon: R32 100 in stock
18,000 BTU Outdoor Ductless Mini Split Systems
Explore our comprehensive collection of 18,000 BTU outdoor ductless mini split air conditioners, designed for efficient and reliable cooling. These innovative mini split HVAC systems deliver high SEER2 ratings for energy efficiency and cost savings—ideal for your apartment or office. Within this collection, you’ll find trusted Cooper & Hunter mini splits, including wall-mounted models equipped with Wi-Fi connectivity and heat pump functionality.
These 18,000 BTU outdoor mini split systems offer a seamless, ductless solution for maintaining comfort year-round. Discover advanced technology, superior performance, and quiet operation—all engineered for enhanced climate control and convenience.
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18,000 BTU Mini Split FAQs
What size room will an 18,000 BTU mini split cool?
An 18,000 BTU ductless system (≈1.5 tons) is typically suited for 600–1,000 sq ft spaces such as large bedrooms, living rooms, or garages. For dual-zone setups, it can support indoor units totaling ~24k BTU, depending on layout and insulation.
How much does an 18,000 BTU mini split cost installed in 2025?
As of 2025, a fully installed 18,000 BTU ductless unit costs $4,500–$6,500 on average. Factors include brand, SEER2 efficiency, electrical upgrades, and local labor rates.
Are rebates or tax credits available for 18,000 BTU units?
Yes—qualifying ENERGY STAR® ductless mini splits may be eligible for a 30 % federal tax credit (up to $2,000 annually), plus $200–$800 in typical utility rebates. Eligibility depends on SEER2 rating and location.
Can I install an 18,000 BTU system myself?
DIY is only possible with pre-charged, quick-connect kits. Most 18k systems require licensed installation for refrigerant handling and warranty compliance. Professional installation is recommended to ensure efficiency and rebate eligibility.
